Table 3.
Multivariate logistic model predicting primary surgery versus RTC for all stages and T4 stage only patients diagnosed in 1997, 2004 and 2009 using SEER POC (weighted data).
| Surgery versus RTC Odds Ratio (95% CI) |
|||
|---|---|---|---|
|
| |||
| Characteristics | All Stages n= (787) |
T4 Stage Only n= (182) |
|
| Year of diagnosis | 1997 | 1.00 (Referent) | 1.00 (Referent) |
| 2004 | 0.29 (0.15, 0.55)* | 0.19 (0.07, 0.52)* | |
| 2009 | 0.17 (0.09, 0.33)* | 0.15 (0.04, 0.51)* | |
|
| |||
| Age continuous) | 0.98 (0.95, 1.01) | 1.04 (0.99, 1.10) | |
|
| |||
| Race | Non-white | 1.00 (Referent) | 1.00 (Referent) |
| White | 0.80 (0.59, 1.37) | 1.23 (0.52, 2.93) | |
|
| |||
| Sex | Female | 1.00 (Referent) | 1.00 (Referent) |
| Male | 1.47 (0.88, 2.47) | 1.08 (0.40, 2.89) | |
|
| |||
| Marital status | Married | 1.00 (Referent) | 1.00 (Referent) |
| Unmarried | 1.26 (0.74, 2.17) | 1.46 (0.58, 3.70) | |
|
| |||
| Charlson Score | 0 | 1.00 (Referent) | 1.00 (Referent) |
| ≥ 1 | 0.95 (0.50, 1.78) | 0.57 (0.16, 2.08) | |
|
| |||
| Stage Group | I, II & III | 1.00 (Referent) | – |
| (AJCC 6th Ed.) | IVA & IVB | 0.36 (0.18, 0.70)* | 1.00 (Referent) |
| IVC | 0.28 (0.08, 0.97)* | 0.35 (0.04, 3.22) | |
| Unknown | 0.25 (0.12, 0.52)* | 0.36 (0.13, 0.95)* | |
|
| |||
| Hospital Beds | 1–299/Unknown | 1.00 (Referent) | 1.00 (Referent) |
| ≥ 300 | 0.95 (0.55, 1.65) | 3.33 (1.67, 6.66)* | |
OPC=oropharyngeal cancer; RTC= radiotherapy with or without chemotherapy
*
Significant at α = 0.05